Real age of Kirk Cameron in The Willies
In the movie The Willies, Kirk Cameron was:
19 years old
That was the real age of the celebrity according to our calculation.
The calculation of the shown age took into account the first day of the year in which the movie The Willies was released:
January 1, 1990
And the day in which Kirk Cameron was born:October 12, 1970
Since movies usually don't take more than one year to be released since the beginning of the filming process, Kirk Cameron may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.